In an image processing apparatus, when a plurality of items of moving-image data, modified data obtained by modifying the plurality of items of moving-image data, and presentation-description data which indicates the presentation order of the plurality of items of moving-image data and the modified data, are processed, an editing screen formed of representative images of moving-image data for which presentation is specified in the presentation-description data, and of a representative image of the modified data is generated according to the presentation-description data, and the representative images of the moving-image data and the representative image of the modified data can be distinguished from each other.